Innovative strategy for in-office tooth bleaching using violet LED and biopolymers as H2O2 catalysts
•Higher production of OH• improves the esthetic outcome of the tooth bleaching.•Violet LED causes a discrete chromatic change in dental tissues.•Catalysis applied to a bleaching gel with 10% H2O2 optimizes the esthetic efficacy. To assess the influence of coating the enamel with a nanofiber scaffold...
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| Veröffentlicht in: | Photodiagnosis and photodynamic therapy 2022-06, Vol.38, p.102886-102886, Article 102886 |
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| container_title | Photodiagnosis and photodynamic therapy |
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| creator | Martins, Beatriz Voss Dias, Marlon Ferreira de Oliveira Ribeiro, Rafael Antônio Leite, Maria Luísa de Alencar e Silva Hebling, Josimeri de Souza Costa, Carlos Alberto |
| description | •Higher production of OH• improves the esthetic outcome of the tooth bleaching.•Violet LED causes a discrete chromatic change in dental tissues.•Catalysis applied to a bleaching gel with 10% H2O2 optimizes the esthetic efficacy.
To assess the influence of coating the enamel with a nanofiber scaffold (NS) and a polymeric catalyst primer (PCP) on the esthetic efficacy, degradation kinetics of hydrogen peroxide (H2O2), and trans-amelodentinal cytotoxicity of bleaching gels subjected or not to violet-LED irradiation.
The following groups were established (n = 8): G1- No treatment (negative control); G2- NS+PCP; G3- LED; G4- NS+PCP+LED; G5- 35% H2O2 (positive control); G6- NS+PCP+35% H2O2+LED; G7- 20% H2O2; G8- NS+PCP+20% H2O2+LED; G9- 10% H2O2; G10- NS+PCP+10% H2O2+LED. For esthetic efficacy analysis, enamel/dentin discs were stained and exposed for 45 min to the bleaching protocols. To assess the cytotoxicity, the stained enamel/dentin discs were adapted to artificial pulp chambers, and the extracts (culture medium + components diffused through the discs) were collected and applied to MDPC-23 cells, which had their viability, oxidative stress, and morphology (SEM) evaluated. The amount of H2O2 diffused and hydroxyl radical (OH•) production were also determined (two-way ANOVA/Tukey/paired Student t-test; p |
| doi_str_mv | 10.1016/j.pdpdt.2022.102886 |
| format | Article |
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To assess the influence of coating the enamel with a nanofiber scaffold (NS) and a polymeric catalyst primer (PCP) on the esthetic efficacy, degradation kinetics of hydrogen peroxide (H2O2), and trans-amelodentinal cytotoxicity of bleaching gels subjected or not to violet-LED irradiation.
The following groups were established (n = 8): G1- No treatment (negative control); G2- NS+PCP; G3- LED; G4- NS+PCP+LED; G5- 35% H2O2 (positive control); G6- NS+PCP+35% H2O2+LED; G7- 20% H2O2; G8- NS+PCP+20% H2O2+LED; G9- 10% H2O2; G10- NS+PCP+10% H2O2+LED. For esthetic efficacy analysis, enamel/dentin discs were stained and exposed for 45 min to the bleaching protocols. To assess the cytotoxicity, the stained enamel/dentin discs were adapted to artificial pulp chambers, and the extracts (culture medium + components diffused through the discs) were collected and applied to MDPC-23 cells, which had their viability, oxidative stress, and morphology (SEM) evaluated. The amount of H2O2 diffused and hydroxyl radical (OH•) production were also determined (two-way ANOVA/Tukey/paired Student t-test; p < 0.05).
G6 had the highest esthetic efficacy compared to the other groups (p < 0.05). Besides the esthetic efficacy similar to conventional in-office bleaching (G5; p > 0.05), G10 also showed the lowest toxic effect and oxidative stress to MDPC-23 cells compared to all bleached groups (p < 0.05).
Coating the enamel with a nanofiber scaffold and a polymeric catalyst primer, followed by the application of 10%, 20%, or 35% H2O2 bleaching gels irradiated with a violet LED, stimulates H2O2 degradation, increasing esthetic efficacy and reducing the trans-amelodentinal toxicity of the treatment.</description><identifier>ISSN: 1572-1000</identifier><identifier>EISSN: 1873-1597</identifier><identifier>DOI: 10.1016/j.pdpdt.2022.102886</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Cytotoxicity ; Odontoblasts ; Tooth bleaching ; violet</subject><ispartof>Photodiagnosis and photodynamic therapy, 2022-06, Vol.38, p.102886-102886, Article 102886</ispartof><rights>2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c266t-b431db3db70570fac4c8d34ae2b3ae9e5ab14506883a210aded786d17092e1a53</citedby><cites>FETCH-LOGICAL-c266t-b431db3db70570fac4c8d34ae2b3ae9e5ab14506883a210aded786d17092e1a53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.pdpdt.2022.102886$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Martins, Beatriz Voss</creatorcontrib><creatorcontrib>Dias, Marlon Ferreira</creatorcontrib><creatorcontrib>de Oliveira Ribeiro, Rafael Antônio</creatorcontrib><creatorcontrib>Leite, Maria Luísa de Alencar e Silva</creatorcontrib><creatorcontrib>Hebling, Josimeri</creatorcontrib><creatorcontrib>de Souza Costa, Carlos Alberto</creatorcontrib><title>Innovative strategy for in-office tooth bleaching using violet LED and biopolymers as H2O2 catalysts</title><title>Photodiagnosis and photodynamic therapy</title><description>•Higher production of OH• improves the esthetic outcome of the tooth bleaching.•Violet LED causes a discrete chromatic change in dental tissues.•Catalysis applied to a bleaching gel with 10% H2O2 optimizes the esthetic efficacy.
To assess the influence of coating the enamel with a nanofiber scaffold (NS) and a polymeric catalyst primer (PCP) on the esthetic efficacy, degradation kinetics of hydrogen peroxide (H2O2), and trans-amelodentinal cytotoxicity of bleaching gels subjected or not to violet-LED irradiation.
The following groups were established (n = 8): G1- No treatment (negative control); G2- NS+PCP; G3- LED; G4- NS+PCP+LED; G5- 35% H2O2 (positive control); G6- NS+PCP+35% H2O2+LED; G7- 20% H2O2; G8- NS+PCP+20% H2O2+LED; G9- 10% H2O2; G10- NS+PCP+10% H2O2+LED. For esthetic efficacy analysis, enamel/dentin discs were stained and exposed for 45 min to the bleaching protocols. To assess the cytotoxicity, the stained enamel/dentin discs were adapted to artificial pulp chambers, and the extracts (culture medium + components diffused through the discs) were collected and applied to MDPC-23 cells, which had their viability, oxidative stress, and morphology (SEM) evaluated. The amount of H2O2 diffused and hydroxyl radical (OH•) production were also determined (two-way ANOVA/Tukey/paired Student t-test; p < 0.05).
G6 had the highest esthetic efficacy compared to the other groups (p < 0.05). Besides the esthetic efficacy similar to conventional in-office bleaching (G5; p > 0.05), G10 also showed the lowest toxic effect and oxidative stress to MDPC-23 cells compared to all bleached groups (p < 0.05).
Coating the enamel with a nanofiber scaffold and a polymeric catalyst primer, followed by the application of 10%, 20%, or 35% H2O2 bleaching gels irradiated with a violet LED, stimulates H2O2 degradation, increasing esthetic efficacy and reducing the trans-amelodentinal toxicity of the treatment.</description><subject>Cytotoxicity</subject><subject>Odontoblasts</subject><subject>Tooth bleaching</subject><subject>violet</subject><issn>1572-1000</issn><issn>1873-1597</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp9kD1PwzAQhiMEEqXwC1g8sqT4Ix_OwIBKoZUqdYHZutiX1lUaB9uN1H9PSplZ7k6n971X9yTJI6MzRlnxvJ_1pjdxxinn44ZLWVwlEyZLkbK8Kq_HOS95yiilt8ldCHtKRVbRbJKYVde5AaIdkIToIeL2RBrnie1S1zRWI4nOxR2pWwS9s92WHMO5Dta1GMl68UagM6S2rnft6YA-EAhkyTecaIjQnkIM98lNA23Ah78-Tb7eF5_zZbrefKzmr-tU86KIaZ0JZmph6pLmJW1AZ1oakQHyWgBWmEPNspwWUgrgjIJBU8rCsJJWHBnkYpo8Xe723n0fMUR1sEFj20KH7hjUmMKoLKtcjlJxkWrvQvDYqN7bA_iTYlSdmaq9-mWqzkzVhenoerm4cPxisOhV0BY7jcZ61FEZZ__1_wBORYF_</recordid><startdate>202206</startdate><enddate>202206</enddate><creator>Martins, Beatriz Voss</creator><creator>Dias, Marlon Ferreira</creator><creator>de Oliveira Ribeiro, Rafael Antônio</creator><creator>Leite, Maria Luísa de Alencar e Silva</creator><creator>Hebling, Josimeri</creator><creator>de Souza Costa, Carlos Alberto</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>202206</creationdate><title>Innovative strategy for in-office tooth bleaching using violet LED and biopolymers as H2O2 catalysts</title><author>Martins, Beatriz Voss ; Dias, Marlon Ferreira ; de Oliveira Ribeiro, Rafael Antônio ; Leite, Maria Luísa de Alencar e Silva ; Hebling, Josimeri ; de Souza Costa, Carlos Alberto</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c266t-b431db3db70570fac4c8d34ae2b3ae9e5ab14506883a210aded786d17092e1a53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Cytotoxicity</topic><topic>Odontoblasts</topic><topic>Tooth bleaching</topic><topic>violet</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Martins, Beatriz Voss</creatorcontrib><creatorcontrib>Dias, Marlon Ferreira</creatorcontrib><creatorcontrib>de Oliveira Ribeiro, Rafael Antônio</creatorcontrib><creatorcontrib>Leite, Maria Luísa de Alencar e Silva</creatorcontrib><creatorcontrib>Hebling, Josimeri</creatorcontrib><creatorcontrib>de Souza Costa, Carlos Alberto</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Photodiagnosis and photodynamic therapy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Martins, Beatriz Voss</au><au>Dias, Marlon Ferreira</au><au>de Oliveira Ribeiro, Rafael Antônio</au><au>Leite, Maria Luísa de Alencar e Silva</au><au>Hebling, Josimeri</au><au>de Souza Costa, Carlos Alberto</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Innovative strategy for in-office tooth bleaching using violet LED and biopolymers as H2O2 catalysts</atitle><jtitle>Photodiagnosis and photodynamic therapy</jtitle><date>2022-06</date><risdate>2022</risdate><volume>38</volume><spage>102886</spage><epage>102886</epage><pages>102886-102886</pages><artnum>102886</artnum><issn>1572-1000</issn><eissn>1873-1597</eissn><abstract>•Higher production of OH• improves the esthetic outcome of the tooth bleaching.•Violet LED causes a discrete chromatic change in dental tissues.•Catalysis applied to a bleaching gel with 10% H2O2 optimizes the esthetic efficacy.
To assess the influence of coating the enamel with a nanofiber scaffold (NS) and a polymeric catalyst primer (PCP) on the esthetic efficacy, degradation kinetics of hydrogen peroxide (H2O2), and trans-amelodentinal cytotoxicity of bleaching gels subjected or not to violet-LED irradiation.
The following groups were established (n = 8): G1- No treatment (negative control); G2- NS+PCP; G3- LED; G4- NS+PCP+LED; G5- 35% H2O2 (positive control); G6- NS+PCP+35% H2O2+LED; G7- 20% H2O2; G8- NS+PCP+20% H2O2+LED; G9- 10% H2O2; G10- NS+PCP+10% H2O2+LED. For esthetic efficacy analysis, enamel/dentin discs were stained and exposed for 45 min to the bleaching protocols. To assess the cytotoxicity, the stained enamel/dentin discs were adapted to artificial pulp chambers, and the extracts (culture medium + components diffused through the discs) were collected and applied to MDPC-23 cells, which had their viability, oxidative stress, and morphology (SEM) evaluated. The amount of H2O2 diffused and hydroxyl radical (OH•) production were also determined (two-way ANOVA/Tukey/paired Student t-test; p < 0.05).
G6 had the highest esthetic efficacy compared to the other groups (p < 0.05). Besides the esthetic efficacy similar to conventional in-office bleaching (G5; p > 0.05), G10 also showed the lowest toxic effect and oxidative stress to MDPC-23 cells compared to all bleached groups (p < 0.05).
Coating the enamel with a nanofiber scaffold and a polymeric catalyst primer, followed by the application of 10%, 20%, or 35% H2O2 bleaching gels irradiated with a violet LED, stimulates H2O2 degradation, increasing esthetic efficacy and reducing the trans-amelodentinal toxicity of the treatment.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.pdpdt.2022.102886</doi><tpages>1</tpages></addata></record> |
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| subjects | Cytotoxicity Odontoblasts Tooth bleaching violet |
| title | Innovative strategy for in-office tooth bleaching using violet LED and biopolymers as H2O2 catalysts |
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